A. Koch
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A. Koch is included here because of the great similarity of her envelopes with those of Eugen Sekula as well as the similarity of the reminder postcards which suggests a closer relationship – possibly in the form of a commercial apprenticeship she completed with him.
Cover — January 6, 1931
Registered mail sent on January 6, 1931, from Lucerne, Switzerland, to Târgu Mureș, Romania. Arrived on January 9, 1931.


Cover — April 20, 1931
Registered airmail sent on April 20, 1931, from Lucerne, Switzerland, to Erlbach (today part of Markneukirchen, Saxony), Germany. Arrived on April 22, 1931.


Cover — May 1, 1931
Registered airmail sent on May 1, 1931, from Lucerne, Switzerland, to Lingen (Ems), Germany. Arrived on May 3, 1931.


Cover — June 1931
Registered mail sent in June 1931 from Lucerne, Switzerland, to Marseille, France. Arrived on June 23, 1931.


Postcard — May 23, 1932
Registered mail sent on May 23, 1932, from Lucerne, Switzerland, to Racine, Wisconsin, United States. Arrived on June 4, 1932.


Cover — August 10, 1932
Registered mail sent on August 10, 1932, from Lucerne, Switzerland, to Devon, Pennsylvania, United States. Arrived on August 19, 1932.


Cover — September 2, 1932
Registered mail sent on September 2, 1932, from Lucerne, Switzerland, to West Haven, Connecticut, United States. Arrived on September 10, 1932.


Cover — February 18, 1933
Registered mail sent on February 18, 1933, from Lucerne, Switzerland, to Bayonne, New York, United States. Arrived on March 1, 1933.


Cover — October 4, 1933
Registered mail sent on October 4, 1933, from Lucerne, Switzerland, to Portland, Maine, United States.


Scans provided by Max Brack.
Postcard — December 10, 1933
Printed matter sent on December 10, 1933, from Lucerne, Switzerland, to Jackson, Michigan, United States.


Cover — January 3, 1934
Registered mail sent on January 3, 1934, from Lucerne, Switzerland, to Waterbury, Connecticut, United States. Arrived on January 18, 1934.


Postcards — January 9, 1934 – October 16, 1934
Two payment reminders sent in 1934 to Northampton, Massachusetts, USA.
First reminder sent on January 9.


Third reminder sent on October 26.


Cover — July 7, 1934
Registered mail sent on July 7, 1934, from Lucerne, Switzerland, to Winnipeg, Canada. Arrived on July 19, 1934.


Cover — October 15, 1934
Sent registered on October 15, 1934 from Lucerne to Moonsocket = Woonsocket, Rhode Island, USA.


Cover — November 5, 1934
Registered mail sent on November 5, 1934, from Lucerne, Switzerland, to Aussig (=Ústí nad Labem), Czechoslovakia (today Czech Republic).

Scan provided by Max Brack.
Cover — January 18, 1935
Registered mail sent on January 18, 1935, from Lucerne, Switzerland, to Waterbury, Connecticut, United States. Arrived on January 25, 1935.


Cover — February 25, 1935
Sent registered on February 25, 1935 from Lucerne to Moonsocket = Woonsocket, Rhode Island, USA.


Cover — March 26, 1935
Registered mail sent on March 26, 1935, from Turan, Tannu Tuva (today part of Russia), to Lucerne, Switzerland. Arrived on April 12, 1935.


Cover — December 27, 1935
Registered mail sent on December 27, 1935, from Brussels, Belgium, to Lucerne, Switzerland. Arrived on December 28, 1935.


Cover — May 16, 1936
Registered mail sent on May 16, 1936, from Remscheid, Germany, to Lucerne, Switzerland. Arrived on May 18, 1936.


Cover — June 18, 1936
Registered mail sent on June 18, 1936, from Lucerne, Switzerland, to Santa Barbara, California, United States. Arrived on July 1, 1936.


Cover — January 18, 1937
Registered mail sent on January 18, 1937, from Lucerne, Switzerland, to Ettiswil. Arrived on January 19, 1937.


Cover — January 13, 1938
Registered mail sent on January 13, 1938, from Lucerne, Switzerland, to Stockton, California, United States. Arrived on January 26, 1938.


Cover — November 13, 1939
Registered mail sent on November 13, 1939, from Lucerne, Switzerland, to Vitznau. Arrived on November 14, 1939.


Cover — September 12, 1940
Registered mail sent on September 12, 1940, from Lucerne, Switzerland, to Ettiswil. Arrived on September 12, 1940.


Cover — October 14, 1940
Registered mail sent on October 14, 1940, from Lucerne, Switzerland, to Vitznau. Arrived on October 15, 1940.


Cover — November 8, 1940
Registered mail sent on November 8, 1940, from Lucerne, Switzerland, to Sursee. Arrived on November 8, 1940.


Cover — May 23, 1946
Sent on May 23, 1946, from Locarno, Switzerland, to Lucerne. Arrived on May 23, 1946.

Cover — January 30, 1948
Registered mail sent on January 30, 1948, from St. Moritz, Switzerland, to Lucerne. Arrived on January 31, 1948.


Cover — April 5, 1949
Philatelic cover sent registered on April 5, 1949 from Vaduz, Liechtenstein, to Antonia Koch’s private address Hünenbergstr. 13 in Lucerne.


Cover — October 12, 1950
Registered mail sent on October 12, 1950, from Lucerne, Switzerland, to Akron, Ohio, United States. Arrived on October 25, 1950.

